Learn how to password-protect or encrypt emails in Microsoft Outlook desktop client and Outlook on the Web. You can also read encrypted email outside Office clients.

Apollo.io reports that effective cold emails should be personalized, relevant, and value-driven, aiming for quality responses ...

Follow the prompted instructions and use a suitable suggestion to fix the problem. See if you can now add file attachments using drag and drop in Outlook. How do I change email attachment settings?